<form class="form columns clearfix">
    <div class="column">
        <div class="form-group">
            <label class="form-label">First name:</label>
            <div class="form-input">
                <input type="text">
            </div>
        </div>
        <div class="form-group">
            <button class="btn">Submit</button>
        </div>
    </div>
    <div class="column">
        <div class="form-group">
            <label class="form-label">Last name:</label>
            <div class="form-input">
                <input type="text">
            </div>
        </div>
    </div>
</form>